1. A cable that weighs 2 kg/meter is used to lift 500 kg of coal up a mine shaft 200 meters deep. Find the work done. 2. Find the average value of the function Cos*x sin x on the interval [7/2, 7].

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Q: 20. True or false (If true mark "a" and if false mark "b"): The amplitude of y = secx is 1.

A: Given; y=secx

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A: As per Bartleby guidelines rule I am answering only first question as both question are different…

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Q: 5. The average rate of change of the function y = cos x, from x = A. 0 C. B. - TT 2πt = to to x = is…

A: ;  to .We have to find the average rate of change.

Q: 2a's at L{sinh at sin at} = (s* +4a*)

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Q: H.W. using the relation r = Vn show that J(x) = COS X %3D

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Q: Q6: When the input to a given system audio is (4 cos 800 at + cos 2000nt)mv, the measured frequency…

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